Dec 05 01:52:54.952 INFO checking Jin-WW/mandelbrot against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:52:54.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 01:52:55.389 INFO [stdout] 57672346ff392681a7420df8e27641d4d2fd86e4544871b225abada5e8ec4167
Dec 05 01:52:55.391 INFO running `"docker" "start" "-a" "57672346ff392681a7420df8e27641d4d2fd86e4544871b225abada5e8ec4167"`
Dec 05 01:52:56.717 INFO [stderr] usermod: no changes
Dec 05 01:52:56.852 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 05 01:53:00.127 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:53:00.127 INFO [stderr]   --> src/main.rs:16:5
Dec 05 01:53:00.127 INFO [stderr]    |
Dec 05 01:53:00.127 INFO [stderr] 16 |     write_image("output.png", &pixels, bounds);
Dec 05 01:53:00.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:53:00.127 INFO [stderr]    |
Dec 05 01:53:00.127 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:53:00.127 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:53:00.127 INFO [stderr] 
Dec 05 01:53:00.127 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:53:00.127 INFO [stderr]   --> src/main.rs:16:5
Dec 05 01:53:00.127 INFO [stderr]    |
Dec 05 01:53:00.127 INFO [stderr] 16 |     write_image("output.png", &pixels, bounds);
Dec 05 01:53:00.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:53:00.127 INFO [stderr]    |
Dec 05 01:53:00.127 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:53:00.127 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:53:00.127 INFO [stderr] 
Dec 05 01:53:00.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
Dec 05 01:53:00.215 INFO [stderr] su: No module specific data is present
Dec 05 01:53:01.295 INFO running `"docker" "inspect" "57672346ff392681a7420df8e27641d4d2fd86e4544871b225abada5e8ec4167"`
Dec 05 01:53:01.559 INFO running `"docker" "rm" "-f" "57672346ff392681a7420df8e27641d4d2fd86e4544871b225abada5e8ec4167"`
Dec 05 01:53:01.854 INFO [stdout] 57672346ff392681a7420df8e27641d4d2fd86e4544871b225abada5e8ec4167